Covering for an architectural opening



FIG. 1 is a top-left isometric view of a covering for an architectural opening.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines depict features of the covering for an architectural opening that form no part of the claimed design. 

CLAIM I claim the ornamental design for a covering for an architectural opening, as shown and described. 